降壓試驗 的英文怎麼說

中文拼音 [jiàngshìyàn]
降壓試驗 英文
drop test
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  • : 壓構詞成分。
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 試驗 : trial; experiment; test
  1. The research results show that when the fly ash content is under 30 %, the strength of rcc can be increased but the effect is a little ; and with the fly ash content increased the dry shrinkage of the rcc reduced straightly, and the abrasion resistance and freeze resistance increased obviously. ( 3 ) fly ash can increase durability of the rcc and under the experiment condition, the perfect mixing content is 30 %

    結果表明: ( 1 )粉煤灰摻量小於30 %時能提高碾混凝土強度但影響度不大; ( 2 )隨著粉煤灰摻量的增加,碾混凝土的干縮呈直線低,且抗磨性和抗凍融能力明顯提高; ( 3 )粉煤灰能有效提高碾混凝土的耐久性,且在條件下的最佳摻量為30 % 。
  2. In the course of working, , the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly

    與單向犁相比,其優點在於:耕地無開、閉壟,地表平整,低了耕后整地的能量消耗,減少了地頭的空行程,因而大大提高班次生產率。為了滿足犁體梭式作業的要求,我們採用了一隻小容積雙作用的液油缸;同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間,我們發現:該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重;主犁梁和油缸缸體的連接部分(即油缸底座)突然發生了斷裂,造成整個犁體無法正常工作。
  3. And the experimentation has been done. it ' s primary results were given, such as temperature and pressure curve for the combustor and gasifier

    並進行了多聯產方案,給出了燃燒爐、氣化爐的升溫曲線、床層曲線等初步結果。
  4. The modified pdr method is used to design a practical projects. although the calculated average displacement of the building is less than the actual measurement. it is acceptable

    對某工程實例進行了現場,測了基底力和樁頂反力,並對該工程作了沉觀測。
  5. Based on the terszige and biot theory, initially analyze the economical of this experiment, directly save investment 22 % after compute. after that, computing the settlement of highway foundation, comparing the computing and survey value, the predict formula of vacuum - heaped load combining precompression for designing, this formula show that the distortion law of consolidation progress. at the same time, based on the position and room experiment, analyzes the intension transformation in soft soil and criteria of stabilization control

    在太沙基和比奧固結理論的基礎上,先分析了此次的經濟性,經核算直接節約投資22 ,經濟效益十分明顯;隨后對真空堆載聯合預法加固軟土路基的沉量進行了估算,並與實測值作對比分析,得出了真空堆載聯合預下的沉量估算公式,能反映「真空」加固過程的變化規律;同時根據現場和室內,分析了軟土強度的變化,以及給出並證了工后沉控制標準。
  6. The soil - rock foundation was applied in highway of changde - zhangjiajie, and in order to assure soil - rock foundation quality by shocking and compaction test, different virtual height of soil - rock foundation was constructed and it ' s quality was controlled for in - situ test, it was considered as parameter for virtual height, shocking and compaction quantities, shocking and compaction sediment rate and maximum diameter of packing materials

    摘要針對常張高速公路採用沖擊實技術實土石混填路基的問題,選取段進行了不同虛鋪厚度路基的施工工藝及質量控制等研究,提出了虛鋪厚度、沖遍數、沖率(單級沉量) 、填料最大粒徑等施工控制參數。
  7. Standard test method for determining the force - draw and let - down curves for archery bows

    測定射箭弓下和下的標準方法
  8. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型件在柱端低周反復荷載作用下的抗震性能研究,比較了不同軸比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。
  9. In this test, a special bolt - jack is used to exent of prestressing force to brace angles as the whole structure is under dead - load. in this state brace angles withstand partly load before twice - load and the stress and strain of concrete are decreased. in this way the aim of removal of load and strengthening can be reached

    中採用專用螺栓千斤頂在恆定荷載水平下對混凝土柱角鋼撐桿施加預應力,使外包角鋼在二次受力前即分擔部分荷載,使混凝土應力水平和應變水平低,達到卸載與加固同步進行的目的。
  10. The result indicates that in the case of constant content of asphalt, marshall stability, compression strength, rupture strength, compression modulus and rupture modulus of cement emulsified asphalt concrete would increase along with the increase in cement content ; in the case of constant content of cement, these index values would decrease along with the increase in asphalt content ; while with the increase of coarse aggregate, rupture strength and rupture modulus of the concrete would increase conspicuously, yet compression strength and compression modulus would have a little change

    結果表明:在乳化瀝青含量不變時,隨著水泥用量的增加水泥乳化瀝青混凝土的馬歇爾穩定度、抗強度、抗折強度、抗回彈模量、抗折回彈模量隨之增加;在水泥用量不變時,隨著乳化瀝青用量的增加相應的力學指標呈低趨勢;礦料級配中粗集料含量增加后,混合料的抗折強度和抗折回彈模量有明顯增加,但抗強度和抗回彈模量變化不大。
  11. The research shows that : 1 ) the ductility of the hsc bending members constructed is much greater than 5 ; 2 ) increasing the vertical links and distribution steel can increase the deflection under ultimate moment ; 3 ) with appropriate compressive bars, vertical links and distribution steel the increase of moment after yield and the decrease of moment under ultimate moment can be ignored, so the ductility of the hsc bending member is much larger ; 3 ) the width / depth ratio of hsc bending member has no obvious effect on the ultimate compressive strain of concrete ; 4 ) the method used here to calculate the deflection is applicable ; 5 ) the location of crack coincides with the location of vertical links and distribution steel ; 6 ) the bending property of the hsc structure under the blast load can meet the demand of protective engineering

    研究表明:本文研究的梁、板構件的延性比遠大於5 ;增加箍筋(鉤筋、分佈筋)含量,可以提高區混凝土剝落時的撓度;在適當的受筋、箍筋(鉤筋、分佈筋)含量下,可以忽略區混凝土剝落瞬間的承載力下,從而大大提高構件的延性;受彎構件的寬高比對區混凝土極限應變的影響不明顯;受彎構件的裂縫間距受箍筋(鉤筋、分佈筋)的布置影響;文中所用的承載力和變形計算方法是可行的。化爆表明,高強混凝土構件的動載抗彎性能能夠滿足防護結構的要求。
  12. The precision of its calculating results has an direct effect on the design, construction and safe usage. in the typical calculation of the settlement of foundation, additional stress incurring by loading is calculated according to elastic theory which has the same characteristics in semi - indefinated space, the condesion of soil is decided by the condesion experiment of one - demension and the settlement is calculated by adding results of respective layer

    地基沉計算一直是困擾巖土工程技術人員的一個難題,其準確與否將直接影響建築物的設計、施工和安全使用。在經典的地基沉計算方法中,荷載作用下地基中附加應力場是根據半無限空間各向同性彈性體理論計算的,土體縮性是根據一維確定的,並採用分層總和法來計算地基的沉量。
  13. Some conclusions can be drawn from the experiment. first, the discharge coefficient of liquid is almost constant when the pressure before injecting is high enough, but the discharge coefficient of gas fluctuates because of the influence of liquid flowing. second, when the total pressure of gas is low, under the same total pressure, increasing the pressure before injecting or under the same the pressure before injecting, lowing the total pressure of gas make the mean diameter smaller

    流量特性表明,在液體噴注較高時,液體的流量系數基本不變,但是氣體的流量系數受液體流動的影響較大;霧化特性表明,在同一氣體總條件下,增大液體噴注或者在相同液體噴注條件下,減小氣體總對液滴霧化有利。
  14. ( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6

    ( 3 )通過對空氣介質中簡易地下滴灌的微孔毛管研究發現: 60m管長的毛管平均力水頭的位置基本上在距第一孔口的有效管長40 - 45的地方;大部分水頭損失發生在毛管的前半部分;力均勻度隨孔徑的增大而減小,但與初始工作水頭關系不密切;在1 . 5m以下的工作力下運行,沿程出流均勻度隨孔徑的增大而低,當孔徑不大於1 . 0mm時,灌水均勻度可以達到60以上;當孔徑大於等於1 . 2mm時,灌水均勻度低於50 。
  15. This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load, compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method, that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly. in addition, the directness *, simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab. the circuit of the general inverter based on the tms320f240 dsp was used in this paper, and the practicable program was compiled

    本文分析了異步電動機輕載時節能運行的原理,對幾種提高效率的方案進行了比較,確定了通過直接檢測電動機鐵損和銅損來實時調節輸入電以達到高效節能目的的控制方法,應用matlab軟體對系統進行模擬,在基於tms320f240dsp的通用型變頻器上編制了實用化的程序,形成了完整的樣機,對其進行了測,並給出了結果。
  16. Standard test methods for pressure decay leak test for nonporous flexible packages with and without restraining plates

    有或無約束板的無孔撓性包裝件力下泄漏的標準方法
  17. Dewatering reinforcement test for a project and land subsidence in pudong, shanghai

    浦東某工程水預與地面沉
  18. Hydraulic fluid power. fixed displacement pumps. flow degradation due to classified ac fine test dust contaminant. test method

    動力.固定式活塞泵.由於ac級細粒粉塵污染引起的流動緩.方法
  19. At the end, the high voltage withstand test is made, and the working - pressure of the lift is measured

    最後,對絕緣升平臺進行了耐,並對平臺升時水平油缸的工作力進行了測量。
  20. The experiment of under - excitation operation and adjusting voltage of generator was carried through in chongqing electrical power plant. based on the result, a thorough analysis was taken on the step - down effect, stable limitation, capability of absorbing reactive power when generator operating under excitation

    通過對重慶電廠發電機的進相運行和調,全面分析了發電機進相運行的效果、穩定極限、進相能力,做出發電機p 、 q運行曲線,作為發電機進相運行的依據。
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